db.r5b.16xlarge

db.r5b.16xlarge is an AWS RDS size with 64 vCPUs, 512 GiB memory (Intel Xeon Platinum 8000 series). In US East (N. Virginia) it costs $9.472 per hour on demand ($6,914.56 per month) for PostgreSQL, Single-AZ; a 1-year reserved instance with no upfront costs $5.486 per hour, 42% less. It is sold in 14 regions; the cheapest is EU (Stockholm) at $9.35 per hour.

Prices by region

USD per hour, PostgreSQL, Single-AZ. Reserved prices are no upfront, standard. Cheapest on-demand first.

RegionOn-demand1-yr reserved
EU (Stockholm) eu-north-1$9.35–
US East (N. Virginia) us-east-1$9.472$5.486
US East (Ohio) us-east-2$9.472$5.486
US West (Oregon) us-west-2$9.472$5.486
Canada (Central) ca-central-1$9.65–
EU (Ireland) eu-west-1$9.886–
EU (Milan) eu-south-1$10.36–
EU (London) eu-west-2$10.36–
Asia Pacific (Seoul) ap-northeast-2$10.538–
Asia Pacific (Sydney) ap-southeast-2$10.715–
Asia Pacific (Singapore) ap-southeast-1$11.232$7.642
Asia Pacific (Tokyo) ap-northeast-1$11.424$7.773
EU (Frankfurt) eu-central-1$11.43$7.544
South America (Sao Paulo) sa-east-1$14.03–
Reserved and Savings Plans

Prices by engine and deployment in US East (N. Virginia)

OptionOn-demand /hr1-yr reserved /hr3-yr reserved /hr
PostgreSQL · Single-AZ$9.472$5.486–
PostgreSQL · Multi-AZ$18.944$10.973–
Oracle Enterprise BYOL · Single-AZ$8.821––
Oracle Enterprise BYOL BYOM · Single-AZ$8.821$5.557–
Oracle Enterprise BYOL BYOM Custom · Single-AZ$8.832––
MariaDB · Single-AZ$9.472$5.486–
MySQL · Single-AZ$9.472$5.486–
SQL Server Developer BYOM Custom · Single-AZ$13.376––
SQL Server Enterprise BYOM Custom · Single-AZ$13.376––
Oracle Enterprise BYOL BYOM · Multi-AZ$17.642$11.114–
Oracle Enterprise BYOL BYOM Custom · Multi-AZ$17.664––
MariaDB · Multi-AZ$18.944$10.973–
MySQL · Multi-AZ$18.944$10.973–
SQL Server Standard · Single-AZ$25.397$24.00–
SQL Server Developer BYOM Custom · Multi-AZ$26.752––
SQL Server Enterprise BYOM Custom · Multi-AZ$26.752––
SQL Server Enterprise · Single-AZ$41.226$41.123–
SQL Server Enterprise Custom · Single-AZ$41.226––
SQL Server Standard · Multi-AZ$50.794$48.00–
SQL Server Enterprise · Multi-AZ$61.014$60.861–
SQL Server Enterprise Custom · Multi-AZ$61.014––

Specs

ComputeValue
vCPUs64
Physical cores32
Threads per core2
Architecturex86_64
ProcessorIntel Xeon Platinum 8000 series
CPU makerIntel
Clock speedUp to 3.1 GHz
Sustained clock3.1 GHz
BurstableNo
MemoryValue
Memory (GiB)512
NetworkingValue
Network20 Gbps
Network baseline20 Gbps
Network peak20 Gbps
StorageValue
StorageEBS Only
EBS throughput5000 Mbps
EBS baseline bandwidth40,000 Mbps
EBS max bandwidth40,000 Mbps
EBS baseline throughput5,000 MB/s
EBS max throughput5,000 MB/s
EBS baseline IOPS173,333
EBS max IOPS173,333
Instance detailsValue
Instance typedb.r5b.16xlarge
Familyr5b
CategoryMemory optimized
Current generationYes
Normalization factor256
OtherValue
Hardware Basisr5b.16xlarge

Compare db.r5b.16xlarge

With or without local disk and networking

vs db.r5.16xlarge

Other r5b sizes

SizevCPUsMemory (GiB)On-demand /hr
db.r5b.large216$0.296
db.r5b.large.tpc1.mem2x232$0.551
db.r5b.xlarge432$0.592
db.r5b.2xlarge864$1.184
db.r5b.2xlarge.tpc1.mem2x8128$2.205
db.r5b.2xlarge.tpc2.mem4x8256$4.41
db.r5b.4xlarge16128$2.368
db.r5b.4xlarge.tpc2.mem2x16256$4.41
db.r5b.4xlarge.tpc2.mem3x16384$6.615
db.r5b.4xlarge.tpc2.mem4x16512$8.821
db.r5b.6xlarge.tpc2.mem4x24768$13.231
db.r5b.8xlarge32256$4.736
db.r5b.12xlarge48384$7.104
db.r5b.16xlarge64512$9.472
db.r5b.24xlarge96768$14.208
db.r5b.2xlarge.tpc2.mem8x––$8.821
db.r5b.8xlarge.tpc2.mem3x––$13.231
db.r5b.xlarge.tpc2.mem2x––$1.103
db.r5b.xlarge.tpc2.mem4x––$2.205

Prices updated 2026-11-12 from AWS public price lists. Compare all AWS RDS sizes.